- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
Patent holdings for IPC class C25B 13/02
Total number of patents in this class: 801
10-year publication summary
|
29
|
24
|
22
|
33
|
35
|
48
|
86
|
113
|
166
|
143
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Kabushiki Kaisha | 2828 |
40 |
| Reinz-Dichtungs-GmbH | 283 |
32 |
| LG Chem, Ltd. | 17926 |
30 |
| Agfa-Gevaert | 299 |
21 |
| Panasonic Intellectual Property Management Co., Ltd. | 33845 |
16 |
| Samsung Electro-mechanics Co., Ltd. | 6070 |
15 |
| Toray Industries, Inc. | 7092 |
15 |
| Toshiba Corporation | 12551 |
14 |
| de Nora Permelec Ltd | 164 |
12 |
| Twelve Benefit Corporation | 153 |
12 |
| Robert Bosch GmbH | 44094 |
11 |
| Uop LLC | 4394 |
11 |
| Kolon Industries, Inc. | 1825 |
11 |
| Tokuyama Corporation | 1472 |
11 |
| FUJIFILM Corporation | 30479 |
10 |
| NGK Insulators, Ltd. | 5231 |
10 |
| Agc, Inc. | 5483 |
10 |
| Johnson Matthey Hydrogen Technologies Limited | 139 |
10 |
| Hysata Pty Ltd | 41 |
10 |
| Kyocera Corporation | 14333 |
9 |
| Other owners | 491 |